由于某种超出我理解的原因向特定网站发出的请求(https://learningnetwork.cisco.com/people/mrollins?view=profile)产生一个响应对象,其响应流包含网站的截断版本。
该流在 65536 字节后结束,相当于 2^16 字节。我认为这是一个可疑的整数。这些请求抱怨内部服务器错误,我对此表示抑制,因为我已经验证了网络浏览器能够理解此响应,并且完整的 html 包含在服务器的响应中。 (使用fiddler)
我发现了之前记录的问题here,这并不令人满意,原因很简单,它以此注释结尾:
“我想我必须希望这个错误
不超过 65536 个字符...”
确实如此。
感谢解决方法,或者如果有人知道即将到来的修复也很好。
using System;
using System.IO;
using System.Net;
using System.Web.UI;
namespace Example
{
public partial class _Default : Page
{
protected void Page_Load(object senderHidden, EventArgs eHidden)
{
//ServicePointManager.ServerCertificateValidationCallback += delegate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) { return true; };
var cookieContainer = new CookieContainer();
//Encoding enc = Encoding.UTF8;
HttpWebRequest req = (HttpWebRequest)WebRequest.Create("https://learningnetwork.cisco.com/people/mrollins?view=profile");
req.AllowAutoRedirect = false;
req.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
req.CookieContainer = cookieContainer;
req.Accept = "text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
req.Method = "GET";
req.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12";
req.KeepAlive = true;
HttpWebResponse resp = null;
try
{
resp = (HttpWebResponse)req.GetResponse();
}
catch (WebException e)
{
var r = e.Response as HttpWebResponse;
var memstream = Read(r.GetResponseStream());
var wrongLength = memstream.Length;
}
}
public static MemoryStream Read(Stream stream)
{
MemoryStream memStream = new MemoryStream();
byte[] readBuffer = new byte[4096];
int bytesRead;
while ((bytesRead = stream.Read(readBuffer, 0, readBuffer.Length)) > 0)
memStream.Write(readBuffer, 0, bytesRead);
return memStream;
}
}
}